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1.
BMC Oral Health ; 24(1): 146, 2024 Jan 31.
Artigo em Inglês | MEDLINE | ID: mdl-38297300

RESUMO

BACKGROUND: Chitosan is known to inhibit the growth of many bacteria and fungi. Tissue conditioners are commonly used to prevent bone destruction under dentures. However, over time, these materials can become a suitable substrate for microbial growth. One approach to improving dental materials is the use of nanoparticles. This study examined the antifungal properties of chitosan and green technique-synthesized silver nanoparticles in combination with tissue conditioners. METHODS: Tissue conditioner materials were mixed with chitosan and silver nanoparticles at concentrations of 0.097%, 0.19%, and 0.37%, along with 1.25 ppm Nystatin, and their antimicrobial properties against Candida albicans were investigated. The growth rate was measured after 24 h of incubation at 37 °C. Non-parametric tests, such as the Kruskal-Wallis H test and Mann-Whitney U test with Bonferroni correction, were used for data analysis after verifying that the groups did not have a normal distribution. RESULTS: Compared with the control and Nystatin groups, the Chitosan-silver groups showed a significant decrease in the number of CFUs of Candida albicans. CONCLUSIONS: The combination of chitosan and silver nanoparticles with tissue conditioner materials is a promising alternative for preventing and treating denture stomatitis. These findings suggest that using very small amounts of nanoparticles in dental materials could effectively prevent microbial growth, which could improve the longevity and efficacy of dental prosthetics and materials.


Assuntos
Anti-Infecciosos , Quitosana , Nanopartículas Metálicas , Estomatite sob Prótese , Humanos , Nistatina/farmacologia , Nistatina/uso terapêutico , Quitosana/farmacologia , Quitosana/uso terapêutico , Prata/farmacologia , Prata/uso terapêutico , Estomatite sob Prótese/tratamento farmacológico , Nanopartículas Metálicas/uso terapêutico , Anti-Infecciosos/farmacologia , Anti-Infecciosos/uso terapêutico , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Candida albicans , Materiais Dentários
2.
J Drugs Dermatol ; 22(12): e49-e50, 2023 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-38051827

RESUMO

BACKGROUND: Despite the limited use of nystatin for tinea infections, physicians may continue to use it. METHODS: We assessed the National Ambulatory Medical Care Survey for all to determine the extent of topical nystatin use in tinea infections. RESULTS: Topical nystatin was used at 4.3% (2.1%, 6.0%) of all tinea infection visits. It was not used at visits with dermatologists and was most common among family medicine physicians (P=.02). DISCUSSION: Physicians are continuing to use nystatin for the treatment of tinea infections. Dermatologists have discontinued this treatment regimen, whereas other specialties have an opportunity to further improve their knowledge in this regard. J Drugs Dermatol. 2023;22(12):e49-e50.     doi:10.36849/JDD.5606e.


Assuntos
Arthrodermataceae , Tinha , Humanos , Nistatina/uso terapêutico , Tinha/diagnóstico , Tinha/tratamento farmacológico , Tinha/epidemiologia , Administração Tópica , Glucocorticoides/uso terapêutico
3.
BMC Oral Health ; 23(1): 802, 2023 10 26.
Artigo em Inglês | MEDLINE | ID: mdl-37884914

RESUMO

OBJECTIVE: To evaluate the clinical efficacy of photodynamic therapy (PDT) as an adjunct or alternative to traditional antifungal drugs in the treatment of oral candidiasis, and to provide evidence-based medical evidence for its use in the treatment of oral candidiasis. METHODS: Computer combined with manual retrieval of China Academic Journals Full-text Database (CNKI), China Biomedical Literature Database (CBM), Chinese Science and Technology Journal Database (VIP), Wanfang Database, PubMed, Web of Science, Cochrane Library, Embase, Scopus retrieval for articles published before January 2023, basic information and required data were extracted according to the inclusion and exclusion criteria, and the Revman V5.4 software was used to conduct Meta-analysis of the included literature. RESULTS: A total of 11 articles were included, 7 of which used nystatin as an antifungal drug, 2 of which were combined treatment of PDT and nystatin, 2 of the remaining 4 articles were treated with fluconazole, and 2 were treated with miconazole. Meta results showed that PDT was superior to nystatin in reducing the number of oral candida colonies in the palate of patients MD = -0.87, 95%CI = (-1.52,-0.23), P = 0.008, the difference was statistically significant, and the denture site MD = -1.03, 95%CI = (-2.21, -0.15), P = 0.09, the difference was not statistically significant; compared with the efficacy of fluconazole, RR = 1.01, 95%CI = (0.56,1.83), P = 0.96; compared with miconazole RR = 0.55, 95%CI = (0.38, 0.81), P = 0.002; PDT combined with nystatin RR = 1.27, 95%CI = (1.06, 1.52), P = 0.01; recurrence rate RR = 0.28, 95%CI = (0.09, 0.88), P = 0.03. CONCLUSIONS: PDT was effective in the treatment of oral candidiasis; PDT was more effective than nystatin for the treatment of denture stomatitis in the palate, while there was no significant difference between the two for the denture site; The efficacy of PDT for oral candidiasis was similar to that of fluconazole; PDT was less effective than miconazole for oral candidiasis; Compared with nystatin alone, the combination of PDT and nystatin is more effective in treating oral candidiasis with less risk of recurrence.


Assuntos
Candidíase Bucal , Fotoquimioterapia , Humanos , Candidíase Bucal/tratamento farmacológico , Candidíase Bucal/microbiologia , Antifúngicos/uso terapêutico , Nistatina/uso terapêutico , Fluconazol/uso terapêutico , Miconazol/uso terapêutico , Fotoquimioterapia/métodos
4.
Future Microbiol ; 18: 1137-1146, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37830930

RESUMO

Aim: This study evaluated the antifungal efficacy of gentian violet (GV) in an experimental vulvovaginal candidiasis (VVC) model. Materials & methods: In vitro susceptibility and cytotoxicity assays were performed to validate the antifungal potential and safety of GV. The antifungal efficacy was then evaluated in vivo through comparative analysis of the fungal burden following treatment with GV or nystatin, as well as assessment of the vaginal tissue by histology and electron microscopy. Results: GV demonstrated a safe antifungal profile against C. albicans, with a significant decrease in fungal burden and an improvement in the inflammatory process evaluated histologically. Conclusion: The results of this study motivate further assessment of GV as a promising alternative for VVC therapy.


Assuntos
Candidíase Vulvovaginal , Feminino , Humanos , Camundongos , Animais , Candidíase Vulvovaginal/tratamento farmacológico , Candidíase Vulvovaginal/microbiologia , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Violeta Genciana/uso terapêutico , Candida albicans , Nistatina/farmacologia , Nistatina/uso terapêutico
5.
Adv Drug Deliv Rev ; 199: 114969, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37348678

RESUMO

Nystatin is an antifungal molecule with a remarkable yet squandered versatility. In this review, its mechanism of action is explored, along with its extensive action spectrum and toxicity. A multitude of methodologies to tackle the drug's physical and chemical hurdles are outlined along with some proven-effective strategies to increase its activity and/or decrease its toxicity. A separate detailed section focused on micro and nanotechnology solutions addresses new drug delivery systems made of polymeric, metallic or lipid materials. Although the topical route depicts greater representativeness amongst these formulations, the intravenous, dental, oral, vaginal and inhalation routes are also mentioned. The unsuccessful previous attempts at developing parenteral formulations of nystatin or even the withdrawal of a nystatin-loaded multilamellar liposome should not divert research away from this drug. In fact, the interest in nystatin ought to be reawakened with the ongoing clinical trials on the promising nystatin-like genetically engineered derivate BSG005.


Assuntos
Antifúngicos , Nistatina , Humanos , Antifúngicos/uso terapêutico , Antifúngicos/farmacologia , Nistatina/farmacologia , Nistatina/uso terapêutico , Lipossomos , Sistemas de Liberação de Medicamentos , Polímeros
6.
Exp Parasitol ; 250: 108547, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-37196701

RESUMO

The current scenario for cutaneous leishmaniasis treatment includes the use of first and second-choice drugs, both therapeutic strategies presenting several adverse effects and being related to an increment of treatment-refractory parasite strains. These facts encourage the search for new treatment approaches, including repositioning drugs, such as nystatin. Although in vitro assays show that this polyene macrolide compound has leishmanicidal activity, no in vivo evidence for a similar activity has been shown so far for the commercial nystatin cream formulation. This work assessed the effects of nystatin cream (25,000 IU/g) administered on mice in an amount to completely cover the paw surface of BALB/c mice infected with Leishmania (L.) amazonensis once a day, until a total of up to 20 doses. The data presented herein points to unequivocal evidence that treatment with this formulation causes a statistically significant reduction of swelling/edema in mice paws when compared to animal groups not submitted to this treatment regimen after the fourth week of infection: lesion sizes at the sixth (p = 0.0159), seventh (p = 0.0079) and eighth (p = 0.0079) week. Furthermore, swelling/edema reduction relates to a decrease in parasite load in the footpad (∼48%) and in draining lymph nodes (∼68%) at eight weeks post-infection. This is the first report of the effectiveness of nystatin cream used as a topical treatment in BALB/c model for cutaneous leishmaniasis.


Assuntos
Leishmania , Leishmaniose Cutânea , Animais , Camundongos , Nistatina/farmacologia , Nistatina/uso terapêutico , Leishmaniose Cutânea/tratamento farmacológico , Leishmaniose Cutânea/parasitologia , Resultado do Tratamento , Edema , Camundongos Endogâmicos BALB C
7.
J Infect Dev Ctries ; 17(3): 353-358, 2023 03 31.
Artigo em Inglês | MEDLINE | ID: mdl-37023426

RESUMO

INTRODUCTION: Vulvovaginal candidiasis (VVC) in pregnancy frequently develops into recurrent infections. Clinical study suggests that conventional topical treatments for VVC are not always enough to eradicate Candida spp. from the vaginal microenvironment. This study aimed to evaluate the antifungal activity of tea tree oil (TTO) 5% and TTO 10% against Candida species causing VVC in pregnancy. METHODOLOGY: In vitro experimental study was conducted in the Mycology Laboratory at Dermatovenereology Outpatient Clinic Dr. Soetomo General Hospital Surabaya. Eighteen isolates of Candida species were isolated from the vaginal thrush of 15 pregnant women diagnosed with VVC from March to May 2021. Antifungal susceptibility of TTO 5% and TTO 10% was evaluated by the disc diffusion method, with the inhibitory zone diameter as the main outcome. RESULTS: The mean inhibitory zone diameter of TTO 5%, TTO 10%, and nystatin against all Candida spp. was 7.26 mm, 8.64 mm, and 25.57 mm, respectively (p < 0.001). The mean inhibitory zone diameter of TTO 5%, TTO 10%, and nystatin tend to be larger in C. albicans compared to the non-albicans, but the difference is not significant. Nystatin displayed the largest mean inhibitory zone diameters compared to TTO 5% and TTO 10% (p < 0.001) in all Candida species. Increased concentration from TTO 5% to TTO 10% resulted in a slight increment in the mean inhibitory zone diameters in all-Candida species (p = 0.001). CONCLUSIONS: Tea Tree Oil displayed antifungal activity against Candida species causing VVC in pregnancy. Further studies are required to investigate optimal TTO concentrations as a VVC treatment in pregnancy.


Assuntos
Candidíase Vulvovaginal , Óleo de Melaleuca , Feminino , Gravidez , Humanos , Candidíase Vulvovaginal/tratamento farmacológico , Candidíase Vulvovaginal/microbiologia , Nistatina/farmacologia , Nistatina/uso terapêutico , Antifúngicos/uso terapêutico , Óleo de Melaleuca/farmacologia , Óleo de Melaleuca/uso terapêutico , Testes de Sensibilidade Microbiana , Candida , Candida albicans
8.
J Obstet Gynaecol ; 43(1): 2195001, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37029724

RESUMO

At concentrations achieved following systemic administration, the primary effect of imidazoles and triazoles on fungi is inhibition of 14-α-sterol demethylase, a microsomal cytochrome P450 (CYP) enzyme. Imidazoles and triazoles impair the biosynthesis of ergosterol for the cytoplasmic membrane and lead to the accumulation of 14-α-methyl sterols. The synthetic imidazole miconazole is additionally able to increase intracellular reactive oxygen species, at least in part through inhibition of fungal catalase and peroxidase. This unique feature of miconazole is probably the basis for its fungicidal activity in C. albicans, in addition to the fungistatic mode of action. Studies show that miconazole is superior to nystatin treatment and demonstrate its impact as one of the best options in managing vulvovaginal candidiasis. Regarding recurrent vulvovaginal candidiasis, several new drugs are currently developed to ensure effective treatment also for this group of patients.


Assuntos
Candidíase Vulvovaginal , Miconazol , Feminino , Humanos , Miconazol/efeitos adversos , Candidíase Vulvovaginal/tratamento farmacológico , Candidíase Vulvovaginal/microbiologia , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Imidazóis/farmacologia , Imidazóis/uso terapêutico , Nistatina/farmacologia , Nistatina/uso terapêutico , Candida albicans , Sistema Enzimático do Citocromo P-450/uso terapêutico
9.
Photodiagnosis Photodyn Ther ; 41: 103258, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36592782

RESUMO

BACKGROUND: Hyperplastic candidiasis (HC) is a chronic infection of oral mucosa caused by Candida. Owing to its potential for malignant transformation, its intervention requires attention. Conventional surgical resection might lead to irreversible damage and impact the patient's quality of life. Hence, this study aimed to evaluate the clinical efficacy of 5-aminolevulinic acid (5-ALA)-mediated photodynamic therapy (PDT) alone and in combination with topical antifungal therapy (i.e., nystatin [combination therapy]) in comparison with nystatin and surgical resection for the treatment of HC. METHODS: Forty subjects with clinical and histopathological diagnoses of HC were included in the study. Four study groups, with 10 participants each, were formed as follows: Group-I - receiving antifungal agent [nystatin]; Group-II - receiving surgical resection; Group-III - receiving PDT; and Group-IV - receiving 5-ALA-mediated PDT and nystatin [combination therapy]. Salivary and mucosal samples were collected for the quantification of Candida albicans and the treatment responses to different interventions were recorded at week-4, week-6, and week-8 after finishing therapies. RESULTS: At the 3rd follow-up (i.e., at end of the 8th week after the interventions), complete improvement in 3 (30%), 2 (20%), 1 (10%), and 5 (50%) patients in group-I, group-II, group-III, and group-IV, respectively was observed. A statistically significant difference was obtained when the intervention responses were compared at week-4 (p<0.01), week-6 (p<0.01), and week-8 (p<0.0001) follow-ups in group-I, group-II, and group-IV subjects. At the 8-week follow-up regarding the salivary and mucosal samples, the lowest colony-forming units/milliliter score of C. albicans was observed in group-IV subjects. CONCLUSION: The application of 5-ALA-mediated PDT in combination with nystatin gel possesses the potential as a well-tolerated and safe therapeutic modality for the treatment of patients with HC.


Assuntos
Candidíase Bucal , Fotoquimioterapia , Humanos , Ácido Aminolevulínico/uso terapêutico , Antifúngicos/uso terapêutico , Nistatina/uso terapêutico , Fármacos Fotossensibilizantes/uso terapêutico , Qualidade de Vida , Fotoquimioterapia/métodos , Candidíase Bucal/tratamento farmacológico , Candida albicans , Resultado do Tratamento
10.
Odontology ; 111(2): 350-359, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-36100802

RESUMO

Phytotherapeutics is widely used nowadays as an alternative to the current antifungal drugs to reduce their side effects. Curcumin, with its wide therapeutic array as antioxidant and anti-inflammatory agent, is one of the natural compounds that ha..s an antifungal effect, especially when being used at nanoscale to increase its bioavailability. Our research aimed to evaluate clinically and microbiologically the effect of using topical nanocurcumin suspension to treat oral candidiasis. After 4 days from induction of oral candidiasis (baseline), we randomly divided 39 female BALB/c mice into three groups of 13 animals; nanocurcumin, nystatin, and sham groups. All animals in nanocurcumin and nystatin groups received topical treatment twice daily for 10 days. Then, we performed clinical and microbiological evaluations at baseline, day 5, and day 10. By the end of treatment, our results revealed that nanocurcumin promoted a significant reduction in the number of candida colonies. There was no statistically significant difference neither clinically nor microbiologically between nanocurcumin and nystatin groups. In conclusion, nanocurcumin has a good antifungal effect as nystatin, however, its therapeutic efficacy takes a longer time to appear than nystatin. The enhanced bioavailability of curcumin at the nanoscale qualifies this nano-herb as a promising alternative therapy for oral candidiasis, evading nystatin-associated morbidity.


Assuntos
Candidíase Bucal , Curcumina , Nanopartículas , Animais , Feminino , Camundongos , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Candidíase Bucal/tratamento farmacológico , Curcumina/farmacologia , Curcumina/uso terapêutico , Nistatina/farmacologia , Nistatina/uso terapêutico
11.
J Dent ; 126: 104297, 2022 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-36122605

RESUMO

OBJECTIVES: This randomized clinical trial evaluated the effectiveness of an interim denture resilient liner (Trusoft) modified with minimum inhibitory concentrations (MICs) of antimicrobial agents for Candida albicans biofilm in the denture stomatitis (DS) treatment. METHODS: Forty participants with DS and maxillary complete denture (MCD) wearers were randomly assigned to one of the treatments for 14 days (n=10): nystatin oral suspension (Control-100,000IU/mL; 4 × /day), MCD relined with Trusoft either without (Tru) or with nystatin (Ny) or chlorhexidine diacetate (Chx) at MICs. Cytological smears and mycological quantitative cultures were taken from the palate and denture before treatment (baseline), at the end of treatment (day 14), and at follow-up (days 30, 45, and 60). Photographs of the palate were made at each visit. Data were analyzed by the Cochran and χ2 tests, ANOVA and the Tukey test or the Friedman and Kruskal-Wallis tests (α=0.05). RESULTS: Palatal smears of the Ny and Chx groups exhibited no mycelial Candida (0%) on day 14, and, at the 60-day follow-up, it was observed for only 1 participant from Chx group. MCD smears showed reduction in mycelial forms for all groups on day 14 (P<0.05), but this difference was maintained at follow-up only for the relined dentures (P<0.05). Unlike Tru and the control groups, Ny and Chx groups evidenced a significant reduction in CFU/mL values and DS severity throughout the trial (P<0.05). CONCLUSIONS: The addition of nystatin and chlorhexidine at MICs to an interim resilient liner is a promising treatment for DS, with better results than those for conventional therapy with nystatin suspension, including the follow-ups. CLINICAL SIGNIFICANCE: Compared with conventional topical antifungal therapy, modifying a denture reline material with antimicrobials provided a therapeutic option for denture stomatitis. This non-invasive, straightforward therapeutic approach can be easily adopted by dentists and has the advantage of not requiring patient compliance while maintaining therapeutic concentrations on the denture base.


Assuntos
Nistatina , Estomatite sob Prótese , Humanos , Nistatina/uso terapêutico , Nistatina/farmacologia , Antifúngicos , Estomatite sob Prótese/tratamento farmacológico , Estomatite sob Prótese/microbiologia , Clorexidina/uso terapêutico , Candida albicans
12.
Zhonghua Fu Chan Ke Za Zhi ; 57(8): 601-607, 2022 Aug 25.
Artigo em Chinês | MEDLINE | ID: mdl-36008287

RESUMO

Objective: To test the antibiotic susceptibility of vulvovaginal candidiasis pathogenic strains to 5 antifungal drugs commonly used in clinic. Methods: A total of 1 200 vulvovaginal candida patients from 23 gynecological and family planning outpatient departments in China were enrolled. Their vaginal secretions were collected for candida strain isolation and species identification. According to Clinical and Laboratory Standards Institute (CLSI) M27-S3, the sensitivity of 1 200 strains to clotrimazole, fluconazole, miconazole, itraconazole and nystatin was tested. Results: (1) The sensitivity and resistance of 1 200 vulvovaginal candidiasis pathogens to 5 antifungal drugs were statistically different (χ2=3 513.201, P<0.01). (2) All strains had higher sensitivity to nystatin [99.92% (1 199/1 200)], followed by miconazole [92.25% (1 107/1 200)] and clotrimazole [87.17% (1 046/1 200)]. All strains had higher resistance to fluconazole [69.17% (830/1 200)], while itraconazole was 50.83% (610/1 200). (3) There was no significant difference between candida albicans and non-candida albicans in drug sensitivity to nystatin (P=0.315) and miconazole (P=0.425). (4) Candida albicans and non-candida albicans showed different sensitivity to clotrimazole, fluconazole and itraconazole, respectively. Compared with non-candida albicans, candida albicans showed higher sensitivity to clotrimazole [susceptibility rate: 73.01% (165/226) vs 90.45% (881/974); P<0.001] and higher resistance to fluconazole [resistance rate: 50.88% (115/226) vs 73.41% (715/974); P<0.001]. Although the drug sensitivity of itraconazole was not high, the susceptibility rate of candida albicans to itraconazole was slightly higher than that of non-candida albicans [37.68% (367/974) vs 23.89% (54/226)], and the drug resistance rate was lower [49.28% (480/974) vs 57.52% (130/226)]. Conclusions: The sensitivity of 1 200 strains of candida to 5 antifungal drugs is significantly different, the sensitivity rate of nystatin, miconazole and clotrimazole are higher, but the resistance rate of fluconazole and itraconazole are higher. The sensitivity of candida albicans and non-candida albicans to the same drug is also significantly different. It is suggested that in clinical diagnosis and treatment, we should pay attention to the identification of candida and drug sensitivity test, so as to select antifungal drugs rationally.


Assuntos
Candidíase Vulvovaginal , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Candida , Candida albicans , Candidíase Vulvovaginal/tratamento farmacológico , Candidíase Vulvovaginal/microbiologia , China/epidemiologia , Clotrimazol/farmacologia , Clotrimazol/uso terapêutico , Farmacorresistência Fúngica , Feminino , Fluconazol/farmacologia , Humanos , Itraconazol/farmacologia , Miconazol/farmacologia , Miconazol/uso terapêutico , Testes de Sensibilidade Microbiana , Nistatina/farmacologia , Nistatina/uso terapêutico
13.
Curr Drug Discov Technol ; 19(5): e120522204695, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35549875

RESUMO

INTRODUCTION: Candidiasis infection is caused by different species of Candida, which are characterized by host immunologic weakness. Black cumin seeds (Nigella sativa) have shown an inhibitory effect against Candida albicans. In this work, the inhibitory effect of standardized extract and different fractions of Nigella sativa seeds has been evaluated on both nystatin-susceptible and resistant strain of C. albicans. MATERIALS AND METHODS: Canadida albicans (NSCA) with ATCC 76645 and nystatin-resistant Candida albicans (NRCA) were prepared from oral samples of HIV individuals. Total extract and different fractions of N. sativa were prepared using maceration and sonication methods. Thymoquinone (TQ) content of the plant was determined by spectrophotometric method. Total extract (TTE) and the fractions along with TQ were evaluated on NSCA and NRCA by the microdilution method. RESULTS: TQ content of the plant was 0.92 ± 0.37g/100g dried extract. The least MIC and MFC (62.5 and 125 µg/ml, respectively) were due to petroleum ether fraction (PEF) against both NSCA and NRCA, followed by chloroform fraction (CHF) with MIC and MFC of 125 and 250 µg/ml, respectively. TQ exhibited MIC of 0.78 and 3.12 µg/ml against NSCA and NRCA, stronger than nystatin (MIC of 2 and 16 µg/ml, respectively). Thymoquinone was detected in the PEF and CHF. CONCLUSION: Considering more inhibitory effects of PEF and CHF than TTE, we can conclude that active components of the plant belong to non-polar compounds. PEF showed identical inhibitory effects on NRCA and NSCA, which is a valuable result for finding novel medicaments against NRCA infections.


Assuntos
Candidíase , Nigella sativa , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Benzoquinonas , Candida albicans , Humanos , Testes de Sensibilidade Microbiana , Nistatina/farmacologia , Nistatina/uso terapêutico , Extratos Vegetais/farmacologia , Extratos Vegetais/uso terapêutico
14.
Med Mycol ; 61(1)2022 Dec 29.
Artigo em Inglês | MEDLINE | ID: mdl-36610724

RESUMO

The indications for nystatin as prophylaxis or treatment are limited. In the PASOAP (Pediatric Antifungal Stewardship Optimizing Antifungal Prescription) study, high use of nystatin in hospitalized children beyond the neonatal age was observed. In this report, we present the data on nystatin use in infants and children ≥ 3 months who participated in the PASOAP study. Nystatin was prescribed mainly for prophylaxis. Congenital heart disease, cystic fibrosis, and chronic renal disease were the most commonly reported conditions in children receiving prophylactic nystatin. There is sparse evidence supporting the use of nystatin prophylaxis beyond neonates; trials in specific pediatric patient groups are required.


The topical antifungal nystatin has not many indications. Prophylaxis of invasive candidiasis in very low birth weight neonates is one of them. In our study, we found that nystatin prophylaxis was used frequently beyond this specific neonatal group. Stronger evidence justifying its use is required.


Assuntos
Fibrose Cística , Doenças do Prematuro , Animais , Humanos , Recém-Nascido , Nistatina/uso terapêutico , Antifúngicos/uso terapêutico , Doenças do Prematuro/tratamento farmacológico , Doenças do Prematuro/veterinária , Recém-Nascido de muito Baixo Peso , Fibrose Cística/tratamento farmacológico , Fibrose Cística/veterinária
15.
Rom J Morphol Embryol ; 63(3): 511-520, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36588489

RESUMO

Candida vulvovaginitis is characterized by the appearance of inflammatory changes in the vaginal and vulvar epithelium secondary to infection with Candida species. The purpose of this study was to analyze and compare the clinical, microbiological, and histopathological aspects of pregnant and non-pregnant patients, symptomatic or asymptomatic in the case of candida vaginitis and to correlate the microscopic aspects with the symptoms before applying the local treatment with Nystatin. The study presents a retrospective analysis of the management of vaginitis in 166 pregnant or non-pregnant patients during 2021-2022. We observed the structure of the Malpighian squamous epithelium without keratinization present on the vaginal mucosa and the structure of the subepithelial connective tissue, which shows increased numerical values of inflammatory and vascular cellularity in the case of candida vaginitis symptomatic compared to asymptomatic ones. We noticed also in the microscopic study that in cases of asymptomatic patients before treatment, the number of inflammatory cells and blood vessels situated immediately under the epithelium was significantly lower compared to their number in symptomatic patients before treatment. Analyzing the results obtained after the administration of the treatment proposed by us, we can say that local Nystatin treatment is beneficial and safe for pregnant and non-pregnant patients and is a good alternative for patients with recurrent vulvovaginal candidiasis.


Assuntos
Candidíase Vulvovaginal , Feminino , Humanos , Candidíase Vulvovaginal/tratamento farmacológico , Candidíase Vulvovaginal/diagnóstico , Candidíase Vulvovaginal/microbiologia , Nistatina/farmacologia , Nistatina/uso terapêutico , Estudos Retrospectivos , Recidiva Local de Neoplasia , Vagina
16.
Odontology ; 110(2): 330-337, 2022 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-34657217

RESUMO

The effectiveness of antifungal agents may be insufficient against resistant strains in some cases of oral candidiasis. The aim of this study was to evaluate the antifungal effect of thymoquinone against Candida albicans, Candida tropicalis, Candida glabrata and Candida krusei strains and the synergistic antifungal activity of these strains in combination with nystatin. To evaluate in vitro antifungal activity and interactions between thymoquinone and nystatin, substances were tested against Candida albicans ATCC 10,231, C. tropicalis ATCC 750, C.krusei ATCC 6258 and C. glabrata ATCC 2001 standard strains both individually and combinationally via microdilution method. MIC and ΣFIC index value were analysed. The Kruskal Wallis test and Bonferroni test were used for statistical evaluations. Statistical significance was set at p < 0.05. A statistically significant difference was observed between the mean ranks of all Candida species and doses of thymoquinone, nystatin, and the combination thymoquinone-nystatin (p < 0.05). MIC values for thymoquinone were determined as 15 µg/mL for C. albicans, C. tropicalis and C. krusei while it was 30 µg/mL for C. glabrata. Moreover, MIC for nystatin was found as 1.875 µg/mL for C. albicans, C. tropicalis and C. krusei, whereas it was 7.5 µg/mL in C. glabrata. Interaction assays and ΣFIC index value revealed that, TQ and nystatin have a synergistic effect against to all strains. Thymoquinone was found to have antifungal activity on Candida species and synergistic effect when combined with nystatin.


Assuntos
Candidíase Bucal , Nistatina , Antifúngicos/farmacologia , Antifúngicos/uso terapêutico , Benzoquinonas , Candida , Candidíase Bucal/tratamento farmacológico , Candidíase Bucal/microbiologia , Testes de Sensibilidade Microbiana , Nistatina/farmacologia , Nistatina/uso terapêutico
17.
Med Mycol ; 59(10): 1048-1051, 2021 Oct 04.
Artigo em Inglês | MEDLINE | ID: mdl-34169961

RESUMO

We describe contemporary antifungal use in neonates, with point-prevalence survey data from the National Antimicrobial Prescribing Survey across Australian hospitals from 2014 to 2018. There were 247 antifungal prescriptions in 243 neonates in 20 hospitals, median age six days (range 0-27 days). In 219/247 prescriptions (89%) antifungals were prescribed as prophylaxis. Topical (oral) nystatin was the most frequently prescribed in 233/247 prescriptions (94%), followed by fluconazole 11/227 (4%), with substantial variation in dosing for both. Two of 243 neonates (0.8%) had invasive fungal infection. Nystatin use dominates current antifungal prescribing for Australian neonates, in contrast to other countries, and invasive fungal infection is rare. LAY SUMMARY: Novel nationwide surveillance found newborn infants in Australian hospitals commonly receive antifungal medications, mostly oral nystatin. This is given mainly to prevent rather than treat infection, which is rare. There is substantial unexplained variation in dosing of antifungal drugs nationally.


Assuntos
Antifúngicos , Fluconazol , Animais , Antifúngicos/uso terapêutico , Austrália/epidemiologia , Nistatina/uso terapêutico , Prevalência
19.
Drug Dev Ind Pharm ; 47(5): 825-837, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-34033502

RESUMO

OBJECTIVE: The objective of this work was to prepare mucoadhesive buccal tablets containing nystatin and purified cashew gum for the treatment of oral candidiasis. SIGNIFICANCE: Mucoadhesive buccal tablets containing the drug nystatin are an alternative to oral suspensions, which cause low therapeutic adherence to the treatment of oral candidiasis. Purified cashew gum has been studied as a diluent and mucoadhesive agent in tablets. METHODS: Two batches of mucoadhesive tablets were produced, MT1 and MT 2, containing purified cashew gum, nystatin (500,000 IU), flavoring agent and with or without the presence of lubricant agent. The average weight, mechanical properties, dose uniformity, drug release profile, mucoadhesive properties and antimicrobial activity against Candida albicans were evaluated. RESULTS: Tablets presented average weight of 329.1 ± 3.1 mg (MT1) and 334.6 ± 1.5 mg (MT2), hardness of 9.8 ± 0.8 KgF (MT1) and 8.3 ± 0.4 KgF (MT2), friability of 0.2% (MT1 and MT2), and dose uniformity of 102.20 ± 1.17% (MT1) and 99.06 ± 7.40% (MT2). MT1 and MT2 were able to swell, erode, release the drug and remain adhered to the pig's cheek up to 3 h for batch MT1 and 4 h for batch MT2, and the amount of nystatin released since the beginning of the test in both batches was sufficient to inhibit the growth of the fungus. CONCLUSIONS: Therefore, the proposed formulation proved to be very promising and met all the studied criteria, showing to be ideal for the treatment of oral candidiasis.


Assuntos
Anacardium , Candidíase Bucal , Candidíase Bucal/tratamento farmacológico , Preparações de Ação Retardada/uso terapêutico , Mucosa Bucal , Nistatina/uso terapêutico , Solubilidade , Comprimidos/uso terapêutico
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